Home / 77,262,337,980.40-115,893,506,970.60-40,069,971,036.40

Finding the Fourth Proportional to 77,262,337,980.40, 115,893,506,970.60 and 40,069,971,036.40

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Solution

The fourth proportional to 77,262,337,980.40, 115,893,506,970.60 and 40,069,971,036.40 is: 60,104,956,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,980.40 : 115,893,506,970.60 = 40,069,971,036.40 : x
  2. Step 2: Convert to fraction form
    77,262,337,980.40/115,893,506,970.60 = 40,069,971,036.40/x
  3. Step 3: Cross multiply
    77,262,337,980.40x = 115,893,506,970.60 × 40,069,971,036.40
  4. Step 4: Simplify right side
    77,262,337,980.40x = 4,643,849,467,618,763,735,040
  5. Step 5: Solve for x
    x = 4,643,849,467,618,763,735,040/77,262,337,980.40
  6. Step 6: Final answer
    x = 60,104,956,554.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.