Home / 66,438,355.80-99,657,533.70-30,606,547.80

Finding the Fourth Proportional to 66,438,355.80, 99,657,533.70 and 30,606,547.80

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Solution

The fourth proportional to 66,438,355.80, 99,657,533.70 and 30,606,547.80 is: 45,909,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,355.80 : 99,657,533.70 = 30,606,547.80 : x
  2. Step 2: Convert to fraction form
    66,438,355.80/99,657,533.70 = 30,606,547.80/x
  3. Step 3: Cross multiply
    66,438,355.80x = 99,657,533.70 × 30,606,547.80
  4. Step 4: Simplify right side
    66,438,355.80x = 3,050,173,068,819,161
  5. Step 5: Solve for x
    x = 3,050,173,068,819,161/66,438,355.80
  6. Step 6: Final answer
    x = 45,909,821.70

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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.