Home / 103,249,833.29-142,480,405.63-56,205,927.53

Finding the Fourth Proportional to 103,249,833.29, 142,480,405.63 and 56,205,927.53

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Solution

The fourth proportional to 103,249,833.29, 142,480,405.63 and 56,205,927.53 is: 77,561,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,249,833.29 : 142,480,405.63 = 56,205,927.53 : x
  2. Step 2: Convert to fraction form
    103,249,833.29/142,480,405.63 = 56,205,927.53/x
  3. Step 3: Cross multiply
    103,249,833.29x = 142,480,405.63 × 56,205,927.53
  4. Step 4: Simplify right side
    103,249,833.29x = 8,008,243,353,284,784
  5. Step 5: Solve for x
    x = 8,008,243,353,284,784/103,249,833.29
  6. Step 6: Final answer
    x = 77,561,804.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.