Home / 62,319,973.60-93,311,998.80-45,187,890.40

Finding the Fourth Proportional to 62,319,973.60, 93,311,998.80 and 45,187,890.40

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Solution

The fourth proportional to 62,319,973.60, 93,311,998.80 and 45,187,890.40 is: 67,660,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,319,973.60 : 93,311,998.80 = 45,187,890.40 : x
  2. Step 2: Convert to fraction form
    62,319,973.60/93,311,998.80 = 45,187,890.40/x
  3. Step 3: Cross multiply
    62,319,973.60x = 93,311,998.80 × 45,187,890.40
  4. Step 4: Simplify right side
    62,319,973.60x = 4,216,572,374,779,331
  5. Step 5: Solve for x
    x = 4,216,572,374,779,331/62,319,973.60
  6. Step 6: Final answer
    x = 67,660,047.51

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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.